//
//  CZVisitorView.swift
//  weibo
//
//  Created by Mac on 16/5/12.
//  Copyright © 2016年 fengzhixiang. All rights reserved.
//

import UIKit

//1定义协议
@objc protocol CZVisitorViewDelegate: NSObjectProtocol {
    //2定义协议方法(注册和登录的代理方法)
    func visitorViewDidClickRegister()

    func visitorViewDidClickLogin()
}

/// 自定义的访客视图
class CZVisitorView: UIView {

    var name: String

    //3定义代理属性
    weak var delegate: CZVisitorViewDelegate?

    // MARK: - 公开的方法
    // 设置访客视图内容
    func setupVisitorInfo(imageName: String,message: String){
        //将转轮图片替换
        iconView.image = UIImage(named: imageName)
        //设置messageLabel
        messageLabel.text = message

        //隐藏小房子
        homeView.hidden = true
        //隐藏遮盖
        coverView.hidden = true

    }

    //旋转转轮动画
    func startRotationAnimation(){
        //创建核心动画,根据transform.rotation,改变角度
        let animation = CABasicAnimation(keyPath: "transform.rotation")
        animation.toValue = M_PI * 2//旋转角度
        animation.duration = 20//持续时间
        animation.repeatCount = MAXFLOAT
        //核心动画完成的时候不要移除
        animation.removedOnCompletion = false
        //核心动画添加到图层上面
        iconView.layer.addAnimation(animation, forKey: nil)


    }


    /// 这个构造函数通过xib/sb里面创建才会走这个方法,是系统补充上的
    /// required 表示必须实现的构造函数有required不需要加override
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override init(frame: CGRect) {
        // 在super.init之前给属性赋值
        // 调用对象方法不能放到super.init之前,在super.init之前,这个对象还没初始化好(创建),对象没创建好是不能调用对象的方法的
        self.name = ""
        super.init(frame: frame)

        prepareUI()
    }

    //设置UI,布局frame
    private func prepareUI(){

        //添加一个背景颜色
        self.backgroundColor = UIColor(red: 237/255.0, green: 237/255.0, blue: 237/255.0, alpha: 1)

        //先将子控件添加进来
        self.addSubview(iconView)
        self.addSubview(coverView)
        self.addSubview(homeView)
        self.addSubview(messageLabel)
        self.addSubview(loginButton)
        self.addSubview(registerButton)

        //系统自动布局关闭
        iconView.translatesAutoresizingMaskIntoConstraints = false
        homeView.translatesAutoresizingMaskIntoConstraints = false
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        loginButton.translatesAutoresizingMaskIntoConstraints = false
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        coverView.translatesAutoresizingMaskIntoConstraints = false

        //添加约束
        //转轮
        // CenterX和父控件的CenterX重合
        // item: 要添加约束的view
        // attribute: 要添加的View的属性
        // toItem: 要参照的view
        // attribute: 要参照View的属性
        // 将约束添加到view上面去
        self.addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))

        self.addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: -80))

        //小房子
        self.addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))

        self.addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: 0))

        //消息label
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 240))

        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))

        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 20))

        //注册按钮
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))

        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))

        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 100))

        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))

        //登录按钮
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))

        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))

        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 100))

        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))

        //遮盖视图(拉伸)
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Top, multiplier: 1, constant: 0))

        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))

        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))

        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Bottom, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: -250))



    }
    // MARK: - 按钮点击事件
    // 按钮点击事件方法是系统来调用,当把按钮点击事件private后,系统就找不到这个方法了
    // @objc: 让系统可以找到我们的方法
    @objc private func didClickRegister(){
        // view不能Modal出控制器来,需要将事件传递给控制器
        //4调用代理方法
        delegate?.visitorViewDidClickRegister()
    }
    @objc private func didClicklogin(){
        delegate?.visitorViewDidClickLogin()
    }



    // MARK - 懒加载
    /**
    *  转轮
    */
    private lazy var iconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))

    /**
    *  小房子
    */
    private lazy var homeView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))

    /**
    *  消息文字
    */
    private lazy var messageLabel: UILabel = {
        let label = UILabel()

        //设置label
        label.text = "关注一些人,看看有什么惊喜!"
        label.textColor = UIColor.blackColor()
        label.font = UIFont.systemFontOfSize(16)
        label.numberOfLines = 0
        label.textAlignment = NSTextAlignment.Center
        label.sizeToFit()

        return label
    }()

    /**
    *  注册按钮
    */
    private lazy var registerButton : UIButton = {
        let button = UIButton()
        //设置
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        button.setTitle("注册", forState: UIControlState.Normal)
        button.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)

        button.addTarget(self, action: "didClickRegister", forControlEvents: UIControlEvents.TouchUpInside)
        return button

    }()

    /**
    *  登录按钮
    */
    private lazy var loginButton: UIButton = {
        let button = UIButton()

        //设置
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        button.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
            button.setTitle("登录", forState: UIControlState.Normal)

           button.addTarget(self, action: "didClicklogin", forControlEvents: UIControlEvents.TouchUpInside)
        return button

    }()

    /**
    *  遮盖视图
    */
    private lazy var coverView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))


}






















